94+-88x+13x^2=0

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Solution for 94+-88x+13x^2=0 equation:


Simplifying
94 + -88x + 13x2 = 0

Solving
94 + -88x + 13x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
13 the coefficient of the squared term: 

Divide each side by '13'.
7.230769231 + -6.769230769x + x2 = 0

Move the constant term to the right:

Add '-7.230769231' to each side of the equation.
7.230769231 + -6.769230769x + -7.230769231 + x2 = 0 + -7.230769231

Reorder the terms:
7.230769231 + -7.230769231 + -6.769230769x + x2 = 0 + -7.230769231

Combine like terms: 7.230769231 + -7.230769231 = 0.000000000
0.000000000 + -6.769230769x + x2 = 0 + -7.230769231
-6.769230769x + x2 = 0 + -7.230769231

Combine like terms: 0 + -7.230769231 = -7.230769231
-6.769230769x + x2 = -7.230769231

The x term is -6.769230769x.  Take half its coefficient (-3.384615385).
Square it (11.45562130) and add it to both sides.

Add '11.45562130' to each side of the equation.
-6.769230769x + 11.45562130 + x2 = -7.230769231 + 11.45562130

Reorder the terms:
11.45562130 + -6.769230769x + x2 = -7.230769231 + 11.45562130

Combine like terms: -7.230769231 + 11.45562130 = 4.224852069
11.45562130 + -6.769230769x + x2 = 4.224852069

Factor a perfect square on the left side:
(x + -3.384615385)(x + -3.384615385) = 4.224852069

Calculate the square root of the right side: 2.055444494

Break this problem into two subproblems by setting 
(x + -3.384615385) equal to 2.055444494 and -2.055444494.

Subproblem 1

x + -3.384615385 = 2.055444494 Simplifying x + -3.384615385 = 2.055444494 Reorder the terms: -3.384615385 + x = 2.055444494 Solving -3.384615385 + x = 2.055444494 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.384615385' to each side of the equation. -3.384615385 + 3.384615385 + x = 2.055444494 + 3.384615385 Combine like terms: -3.384615385 + 3.384615385 = 0.000000000 0.000000000 + x = 2.055444494 + 3.384615385 x = 2.055444494 + 3.384615385 Combine like terms: 2.055444494 + 3.384615385 = 5.440059879 x = 5.440059879 Simplifying x = 5.440059879

Subproblem 2

x + -3.384615385 = -2.055444494 Simplifying x + -3.384615385 = -2.055444494 Reorder the terms: -3.384615385 + x = -2.055444494 Solving -3.384615385 + x = -2.055444494 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.384615385' to each side of the equation. -3.384615385 + 3.384615385 + x = -2.055444494 + 3.384615385 Combine like terms: -3.384615385 + 3.384615385 = 0.000000000 0.000000000 + x = -2.055444494 + 3.384615385 x = -2.055444494 + 3.384615385 Combine like terms: -2.055444494 + 3.384615385 = 1.329170891 x = 1.329170891 Simplifying x = 1.329170891

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.440059879, 1.329170891}

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